CVE-2026-0889

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Denial-of-service in the DOM: Service Workers component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400

Affected software

No affected versions have been published.

Timeline

Published
Jan 13, 2026
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2026-0889: High severity, CVSS 7.5 | Vulnix